Datasheet
Table Of Contents
Data Sheet ADM705/ADM706/ADM707/ADM708
Rev. H | Page 3 of 12
SPECIFICATIONS
V
CC
= 4.75 V to 5.5 V, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Table 1.
Parameter Min Typ Max Unit Test Conditions/Comments
POWER SUPPLY
V
CC
Operating Voltage Range 1.0
5.5 V
Supply Current
190 250 µA
LOGIC OUTPUT
Reset Threshold 4.5 4.65 4.75 V ADM705/ADM707
4.25
4.40
4.50
V
ADM706/ADM708
Reset Threshold Hysteresis
40
mV
RESET PULSE WIDTH 160 200 280 ms
RESET
OUTPUT VOLTAGE
V
CC
− 1.5
V I
SOURCE
= 800 µA
0.4 V I
SINK
= 3.2 mA
0.3 V V
CC
= 1 V, I
SINK
= 50 µA
0.3 V V
CC
= 1.2 V, I
SINK
= 100 µA
RESET OUTPUT VOLTAGE V
CC
− 1.5
V ADM707/ADM708, I
SOURCE
= 800 µA
0.4 V ADM707/ADM708, I
SINK
= 1.2 mA
WATCHDOG TIMEOUT PERIOD (t
WD
) 1.00 1.60 2.25 sec V
IL
= 0.4 V, V
IH
= V
CC
× 0.8, WDI = V
CC
WDI Pulse Width (t
WP
)
50
ns
WATCHDOG INPUT
WDI Input Threshold
Logic Low
0.8 V
Logic High 3.5
V
WDI Input Current
50 150 µA WDI = 0 V
−150 −50
µA WDI = 0 V
WDO
OUTPUT VOLTAGE
V
CC
− 1.5
V I
SOURCE
= 800 µA
0.4 V I
SINK
= 1.2 mA
MANUAL RESET INPUT
MR
Pull-Up Current
100 250 600 µA
MR
= 0 V
MR
Pulse Width 150
ns
MR
INPUT THRESHOLD
Logic Low
0.8
V
Logic High
2.0
V
MR
TO RESET OUTPUT DELAY
250 ns
POWER FAIL INPUT
PFI Input Threshold 1.2 1.25 1.3 V
PFI Input Current −25 +0.01 +25 nA
PFO
OUTPUT VOLTAGE V
CC
− 1.5
V I
SOURCE
= 800 µA
0.4
V
I
SINK
= 3.2 mA